x86: fix redefinition of _WIN32_WINNT in looprestoration

src/x86/looprestoration_init.c

@@ -25,14 +25,12 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <assert.h>
+#include "src/cpu.h"
+#include "src/looprestoration.h"
 
 #include "common/attributes.h"
 #include "common/intops.h"
 
-#include "src/cpu.h"
-#include "src/looprestoration.h"
-
 #if BITDEPTH == 8 && ARCH_X86_64
 void dav1d_wiener_filter_h_avx2(int16_t *dst, const pixel (*left)[4],
                                 const pixel *src, ptrdiff_t stride,